Sources of the Mississippi and the Western Louisiana Territory - Pike, Zebulon Montgomery, 1779-1813. (Ann Arbor, Mich. University Microfilms International, 1966)
Original t.p. reads: An account of expeditions to the sources of the Mississippi, and through the western parts of Louisiana, to the sources of the Arkansas, Kans, La Platte, and Pierre Juan, Rivers. Performed by order of the Government of the United Statos during the years 1805, 1806, and 1807, and a tour through the interior parts of New Spain, when conducted through these provinces, by order of the captain-general in the year 1807, by Major Z. M. Pike ... Philadelphia, Published by C. & A. Conrad & Co. .. etc., 1810.
Keywords: West (U.S.) -- Description and travel -- To 1848; United States -- Exploring expeditions; Mississippi River -- Description and travel; New Mexico -- Description and travel